Tamarindo, Costa Rica weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: December – March
What is the weather like in Tamarindo, Costa Rica in January?
In January, Tamarindo, Costa Rica is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Tamarindo, Costa Rica.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 95 | 96 | 93 |
| Day | 30° | 31° | 32° |
| Night | 24° | 24° | 24° |
| Sea | 28° | 28° | 28° |
| Sun | 8 h | 8 h | 9 h |
| Rain days | 3 | 1 | 1 |
More details for January
- Daylight
- 11 h 35 min06:05 – 17:39
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or more
- Wind
- 23 km/haverage daily peak
- Cloud cover
- 28 %on average
- Hot days
- 27 days30 °C or more
- Time zone
- UTC−6America/Costa_Rica
How the score comes together
- Temperatureweight 35 %94 %
- Seaweight 25 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Tamarindo, Costa Rica in January: quick answers
Is Tamarindo, Costa Rica hot in January?
Yes. In January, Tamarindo, Costa Rica is hot: daytime highs average 31 °C and nights stay around 24 °C. On about 27 days the thermometer climbs to 30 °C or more.
Can you swim in Tamarindo, Costa Rica in January?
Yes. In January the sea averages 28.0 °C – lovely and warm for swimming.
Does it rain much in Tamarindo, Costa Rica in January?
It hardly ever rains.
Tamarindo, Costa Rica month by month
The whole year in Tamarindo, Costa RicaAll destinations: Costa RicaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)